SUD493Z
SWITCHING DIODE
Small Signal Fast Switching Diode
General Description
General-purpose switching diodes, fabricated in planar
technology, and packaged in small SOT-343 surface mounted
device (SMD) packages.
Features and Benefits
Silicon epitaxial planar diode
High switching speed: trr
≤
4ns
Low forward drop voltage and low leakage current
“Green” device and RoHS compliant device
Available in full lead (Pb)-free device
SOT-343
Applications
Ultra high speed switching application
Ordering Information
Part Number
Marking Code
Package
Packaging
SUD493Z
DX
□
SOT-343
Tape & Reel
Marking Information
D X = Specific Device Code
DX
□
□
= Year & Week Code Marking
Pinning Information
Pin
1
2
3
4
Description
Anode (Diode 1)
Anode (Diode 2)
Cathode (Diode 2)
Cathode (Diode 1)
Simplified Outline
Graphic Symbol
Rev. Date: 25-AUG-10
KSD-D5Q001-001
www.auk.co.kr
1 of 5
SUD493Z
Absolute Maximum Ratings
(T
amb
=25℃, Unless otherwise specified)
Characteristic
Maximum repetitive peak reverse voltage
Continuous reverse voltage
Maximum average forward rectified current
Forward current (DC)
Maximum repetitive peak forward current
Non-repetitive peak forward surge current(t=10ms)
Power dissipation
1)
1)
Symbol
V
RM
V
R
I
O
I
F
I
FM
I
FSM
P
D
Ratings
85
80
100
100
300
2
150
Unit
V
V
mA
mA
mA
A
mW
Device mounted on FR-4 board with recommended pad layout.
Thermal Characteristics
(T
amb
=25℃, Unless otherwise specified)
Characteristic
Thermal resistance, junction to ambient
1)
Operating junction temperature
Storage temperature range
1)
Symbol
R
th(j-a)
T
j
T
stg
Ratings
830
150
-55 ~ 150
Unit
C/W
C
C
Device mounted on FR-4 board with recommended pad layout.
Electrical Characteristics
(T
amb
=25℃, Unless otherwise specified)
Characteristic
Symbol
V
F(1)
Forward voltage
2)
V
F(2)
V
F(3)
Reverse leakage current
3)
Total capacitance
Reverse recovery time
2)
3)
Test Condition
I
F
=1mA
I
F
=10mA
I
F
=100mA
V
R
=80V
V
R
=0V, f=1㎒
I
F
=10mA (Fig. 5)
Min.
-
-
-
-
-
-
Typ.
0.6
0.7
0.9
-
2.2
1.6
Max.
-
-
1.2
0.5
4.0
4.0
Unit
V
V
V
uA
pF
ns
I
R
C
T
t
rr
Pulse test:
t
P
≤380㎲, Duty cycle≤2%
Pulse test:
t
P
≤5㎳, Duty cycle≤2%
Rev. Date: 25-AUG-10
KSD-D5Q001-001
www.auk.co.kr
2 of 5
SUD493Z
Rating and Characteristic Curves
Fig. 1) Typical Forward Characteristics
Fig. 2) Typical Reverse Characteristics
Fig. 3) Typical Total Capacitance Characteristics
Fig. 4) Reverse Recovery Time vs. Forward Current
Fig. 5) Reverse recovery time equivalent test circuit
Rev. Date: 25-AUG-10
KSD-D5Q001-001
www.auk.co.kr
3 of 5
SUD493Z
Package Outline Dimensions
※
Recommend PCB solder land (Unit : mm)
Rev. Date: 25-AUG-10
KSD-D5Q001-001
www.auk.co.kr
4 of 5
SUD493Z
The AUK Corp. products are intended for the use as components in general electronic
equipment (Office and communication equipment, measuring equipment, home
appliance, etc.).
Please make sure that you consult with us before you use these AUK Corp. products
in equipments which require high quality and / or reliability, and in equipments which
could have major impact to the welfare of human life(atomic energy control, airplane,
spaceship, transportation, combustion control, all types of safety device, etc.). AUK
Corp. cannot accept liability to any damage which may occur in case these AUK Corp.
products were used in the mentioned equipments without prior consultation with AUK
Corp..
Specifications mentioned in this publication are subject to change without notice.
Rev. Date: 25-AUG-10
KSD-D5Q001-001
www.auk.co.kr
5 of 5
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